senator chuck schumer tried to tamp down tensions over the leaked report. >> we've talked to senator rubio and he is fully on board with our process, and i am very hopeful that in march, we will have a bipartisan bill. >> reporter: now, that bipartisan group of senators continues to work on immigration reform but passage remains uncertain, with lawmakers sharply divided over a number of key issues, including a path to citizenship. lester? >> kristen, i want to talk to you about another major issue. we ended the week with the president's nomination of chuck hagel as defense secretary on hold. where do things go from here? >> reporter: well, on "meet the press," senator john mccain said while he doesn't believe hagel is qualified, he also doesn't believe his nomination process should be held up any longer. the full senate is expected to vote on hagel when it reconvenes next week. >> all right. kristen welker tonight. thank you. >>> as you just heard, one of the big issues in the immigration debate is border security. despite progress claimed by the federal government, nbc's mark potter found